/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/MeshConstraintsUtil.h
Constrain each edge in the EdgeROI set that is incident on exactly one triangle in the TriangleROI set
static void ConstrainROIBoundariesInEdgeROI ( [FMeshConstraints](API\Plugins\DynamicMesh\FMeshConstraints) & Constraints, const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, const [TSet](API\Runtime\Core\Containers\TSet)< int > & EdgeROI, const [TSet](API\Runtime\Core\Containers\TSet)< int > & TriangleROI, bool bAllowSplits, bool bAllowSmoothing )